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Solar inverter · Redback Technologies · SI series · CEC approved July 2025

Redback Technologies SI8000

CEC listing: SI8000 (AS4777-2 2020)

An 8 kW single-phase solar inverter.

Installed in Perth, typical: ~$2,400; Estimate for the inverter alone — your quote will vary
Rated power: 8kW; How much solar it can run at once
Battery-ready: No; Solar-only: adding a battery later means a second inverter

Datasheet (PDF)Compare inverters See the whole SI series

What we can tell you

Read from the figures on this page. No review written yet.

It is a solar-only inverter: adding a battery later means a second inverter or an AC-coupled battery.
It runs on a standard single-phase supply.
We can't confirm it is on Synergy's approved list — a battery paired with it needs that for the WA Battery Scheme, so ask your installer.
It is CEC-approved, which a new install needs to qualify for STCs.

Key specs, in plain terms

The numbers that matter for a home. The full datasheet is below.

Rated power How much solar it can turn into usable power at once: 8kW
Max efficiency How much of the solar you make reaches the house: 97.3%
Phases Runs on a standard single-phase supply: Single
MPPT trackers 2 roof faces can be tuned independently: 2
Type Runs solar only: Solar
Warranty How long Redback Operations Pty Ltd stands behind it: 1yr

Full datasheet

Every figure on file for the Redback Technologies SI8000, by section.

Full datasheet, by section
Specification	Value
Efficiency
Max efficiency	97.3%
European efficiency	96.5%
DC input & MPPT
MPPT trackers	2
Physical
Weight	8.5 kg
IP rating	IP65
Operating temperature	25°C to 60°C
Installation requirements
Top clearance	50 mm
Side clearance	40 mm
AC breaker	40 A
Cable gauge	16 mm²
Earthing method	Ground connection required for all grids
DNSP pre-approval	Yes
Estimated install time	8 hrs

Parsed from the manufacturer datasheet, install manual, and warranty document. Confirm against the linked PDFs before relying on a value for a quote or installation.

Features & compatibility

Battery compatible

Backup capable

CEC approval details

CEC approved

28 July 2025

Approval expiry

25 May 2027

Status

Active

Eligible for rebates

Yes

About Redback Operations Pty Ltd

Years in AU Market

10 years

Australian Office

Yes

CEC-Approved Batteries

CEC-Approved Panels

What it costs in Perth

Typical installed, inverter only

$1,600–$3,200

Estimate confidence: Medium

Prices vary by installer, configuration and site complexity. Get exact quotes from installers you choose.

Explore your options

Compare quotes from installers you choose

WA compliance

Synergy approved list: Not confirmed
ESM compliant: Check

Western Power approval is required for every grid-connected install. Under Emergency Solar Management, a new system must be remotely manageable, or take an export limit instead — ask your installer to confirm this inverter’s ESM status.

Perth performance

Estimate for a full-size array on this inverter

Daily yield: 34.0 kWh
Annual yield: 12,410 kWh

At 5 peak sun hours a day (BOM) with a 15% system derate.

Australian office

Has local presence

Website

redbacktech.com

10 years in Australian market

How it compares

The Redback Technologies SI8000 against the closest-power inverters from other brands.

Specification	Redback Technologies SI8000Redback Technologies	Energizer Force 8.0HS+Energizer	Energizer Force 8.0HT+Energizer

Rated power?	8 kW	8 kW	8 kW
Max efficiency?	97.3%best value	0.0%	0.0%
MPPT trackers?	2	Not verified	Not verified

Phases	Single-phase	Single-phase	Three-phase
Type	Solar	Hybrid	Hybrid
Battery ready	No	Yes	Yes
Warranty	1 years	Not verified	Not verified

Specs from the CEC register and datasheet enrichment. Indicative — confirm exact figures with your installer.

Documents

1-year inverter warranty

Redback Technologies SI8000

Exeltech warrants its inverters for one year against defects. Coverage is voided by improper installation. To claim, complete the warranty registration card.

AI-summarised from the manufacturer warranty document. Always confirm against the linked PDF before relying on it for a claim.

Coverage shape: Full-replacement coverage
If you sell the home: Does not transfer with the home
What voids it: Improper installation, misuse, alteration, unauthorized repair, or modification voids the warranty.

Read the official warranty document (PDF)

Fault & error codes — Redback Technologies SI8000

From the install manual

9 documented

Showing 9 of 9. The official install manual is the authoritative source — always confirm before acting.

11, 16, 19-25criticalCall your installer
Manual (PDF)
System Fault
Likely cause
General system fault; requires diagnostic.
What to do
Disconnect AC and DC switches, and restart system after 15 minutes.
106warningCall your installer
Manual (PDF)
Grounding Cable Fault
Likely cause
Improper grounding connection.
What to do
Check AC cable connections, the insulation between ground and live wire.
12warningCall your installer
Manual (PDF)
Excess Leakage Current
Likely cause
Poor sunlight or damp environment.
What to do
Check AC and DC cables for proper insulation.
2, 3, 14, 15warningCall your installer
Manual (PDF)
Grid Overvoltage
Likely cause
The grid voltage is higher than the set value.
What to do
Measure the actual grid voltage; modify overvoltage protection values with consent.
39warningCall your installer
Manual (PDF)
Low System Insulation Resistance
Likely cause
High insulation resistance value beyond local regulations.
What to do
Check resistance of the string and DC cable; inspect for shorts.
4, 5warningCall your installer
Manual (PDF)
Grid Undervoltage
Likely cause
The grid voltage is lower than the set value.
What to do
Measure the actual grid voltage; check AC cable connections.
8warningCall your installer
Manual (PDF)
Grid Overfrequency
Likely cause
The grid frequency is beyond the set range.
What to do
Measure actual grid frequency; check protection parameters.
88warningCall your installer
Manual (PDF)
Electric Arc Fault
Likely cause
A fault detected in electric connection.
What to do
Resolve fault via App or LCD; reconnect DC power supply.
9, 10warningCall your installer
Manual (PDF)
Grid Underfrequency / Power Outage
Likely cause
The grid is not supplying power reliably.
What to do
Check if the AC cable is firmly in place.

Part of the Redback Technologies SI series

Compare every Redback Technologies SI variant side by side →

More Redback Operations Pty Ltd Inverters

RED-C1-T100AC (AS4777-2 2020)

100 kW · 3φ

RED-C1-T125AC (AS4777-2 2020)

125 kW · 3φ

RED-H3-S05HV (AS4777-2 2020)

4.999 kW · 1φ

RED-H3-S06HV (AS4777-2 2020)

6 kW · 1φ

RED-H3-S08HV (AS4777-2 2020)

8 kW · 1φ

RED-H3-S10HV (AS4777-2 2020)

9.999 kW · 1φ

View all Redback Operations Pty Ltd inverters

More from Redback Operations Pty Ltd

Other CEC-approved products from Redback Operations Pty Ltd available in Australia.

Redback Operations Pty Ltd Batteries

RED-P1-BE14HV

13.3 kWh · LFP

RED-P1-BE21HV

19.95 kWh · LFP

RED-P1-BE28HV

26.6 kWh · LFP

RED-P1-BE35HV

33.25 kWh · LFP

RED-R1-5000LV

4.864 kWh · LFP

RED-R2-16KLV

15.2 kWh · LFP

View all Redback Operations Pty Ltd batteries

View full Redback Operations Pty Ltd manufacturer profile

Want to take the next step?

Get a quote from an installer from our network that covers your area. You choose whether to act on it. No obligation.

About this data

All inverter specifications are sourced from the CEC Approved Products Register. Specifications are provided as published by the CEC and may differ from manufacturer datasheets. Verify current specifications with the manufacturer or your installer before purchasing. Not all listed models may be currently available in Western Australia.

Solar inverter · Redback Technologies · SI series · CEC approved July 2025

Redback Technologies SI8000

CEC listing: SI8000 (AS4777-2 2020)

An 8 kW single-phase solar inverter.

Installed in Perth, typical: ~$2,400; Estimate for the inverter alone — your quote will vary
Rated power: 8kW; How much solar it can run at once
Battery-ready: No; Solar-only: adding a battery later means a second inverter

Datasheet (PDF)Compare inverters See the whole SI series

Spotted something outdated?

What we can tell you

Read from the figures on this page. No review written yet.

It is a solar-only inverter: adding a battery later means a second inverter or an AC-coupled battery.
It runs on a standard single-phase supply.
We can't confirm it is on Synergy's approved list — a battery paired with it needs that for the WA Battery Scheme, so ask your installer.
It is CEC-approved, which a new install needs to qualify for STCs.

Key specs, in plain terms

The numbers that matter for a home. The full datasheet is below.

Rated power How much solar it can turn into usable power at once: 8kW
Max efficiency How much of the solar you make reaches the house: 97.3%
Phases Runs on a standard single-phase supply: Single
MPPT trackers 2 roof faces can be tuned independently: 2
Type Runs solar only: Solar
Warranty How long Redback Operations Pty Ltd stands behind it: 1yr

Full datasheet

Every figure on file for the Redback Technologies SI8000, by section.

Full datasheet, by section
Specification	Value
Efficiency
Max efficiency	97.3%
European efficiency	96.5%
DC input & MPPT
MPPT trackers	2
Physical
Weight	8.5 kg
IP rating	IP65
Operating temperature	25°C to 60°C
Installation requirements
Top clearance	50 mm
Side clearance	40 mm
AC breaker	40 A
Cable gauge	16 mm²
Earthing method	Ground connection required for all grids
DNSP pre-approval	Yes
Estimated install time	8 hrs

Parsed from the manufacturer datasheet, install manual, and warranty document. Confirm against the linked PDFs before relying on a value for a quote or installation.

Features & compatibility

Battery compatible

Backup capable

CEC approval details

CEC approved

28 July 2025

Approval expiry

25 May 2027

Status

Active

Eligible for rebates

Yes

About Redback Operations Pty Ltd

Years in AU Market

10 years

Australian Office

Yes

CEC-Approved Batteries

CEC-Approved Panels

What it costs in Perth

Typical installed, inverter only

$1,600–$3,200

Estimate confidence: Medium

Prices vary by installer, configuration and site complexity. Get exact quotes from installers you choose.

Explore your options

Compare quotes from installers you choose

WA compliance

Synergy approved list: Not confirmed
ESM compliant: Check

Perth performance

Estimate for a full-size array on this inverter

Daily yield: 34.0 kWh
Annual yield: 12,410 kWh

At 5 peak sun hours a day (BOM) with a 15% system derate.

Australian office

Has local presence

Website

redbacktech.com

10 years in Australian market

How it compares

The Redback Technologies SI8000 against the closest-power inverters from other brands.

Specification	Redback Technologies SI8000Redback Technologies	Energizer Force 8.0HS+Energizer	Energizer Force 8.0HT+Energizer

Rated power?	8 kW	8 kW	8 kW
Max efficiency?	97.3%best value	0.0%	0.0%
MPPT trackers?	2	Not verified	Not verified

Phases	Single-phase	Single-phase	Three-phase
Type	Solar	Hybrid	Hybrid
Battery ready	No	Yes	Yes
Warranty	1 years	Not verified	Not verified

Specs from the CEC register and datasheet enrichment. Indicative — confirm exact figures with your installer.

Documents

1-year inverter warranty

Redback Technologies SI8000

Exeltech warrants its inverters for one year against defects. Coverage is voided by improper installation. To claim, complete the warranty registration card.

AI-summarised from the manufacturer warranty document. Always confirm against the linked PDF before relying on it for a claim.

Coverage shape: Full-replacement coverage
If you sell the home: Does not transfer with the home
What voids it: Improper installation, misuse, alteration, unauthorized repair, or modification voids the warranty.

Read the official warranty document (PDF)

Fault & error codes — Redback Technologies SI8000

From the install manual

9 documented

Showing 9 of 9. The official install manual is the authoritative source — always confirm before acting.

11, 16, 19-25criticalCall your installer
Manual (PDF)
System Fault
Likely cause
General system fault; requires diagnostic.
What to do
Disconnect AC and DC switches, and restart system after 15 minutes.
106warningCall your installer
Manual (PDF)
Grounding Cable Fault
Likely cause
Improper grounding connection.
What to do
Check AC cable connections, the insulation between ground and live wire.
12warningCall your installer
Manual (PDF)
Excess Leakage Current
Likely cause
Poor sunlight or damp environment.
What to do
Check AC and DC cables for proper insulation.
2, 3, 14, 15warningCall your installer
Manual (PDF)
Grid Overvoltage
Likely cause
The grid voltage is higher than the set value.
What to do
Measure the actual grid voltage; modify overvoltage protection values with consent.
39warningCall your installer
Manual (PDF)
Low System Insulation Resistance
Likely cause
High insulation resistance value beyond local regulations.
What to do
Check resistance of the string and DC cable; inspect for shorts.
4, 5warningCall your installer
Manual (PDF)
Grid Undervoltage
Likely cause
The grid voltage is lower than the set value.
What to do
Measure the actual grid voltage; check AC cable connections.
8warningCall your installer
Manual (PDF)
Grid Overfrequency
Likely cause
The grid frequency is beyond the set range.
What to do
Measure actual grid frequency; check protection parameters.
88warningCall your installer
Manual (PDF)
Electric Arc Fault
Likely cause
A fault detected in electric connection.
What to do
Resolve fault via App or LCD; reconnect DC power supply.
9, 10warningCall your installer
Manual (PDF)
Grid Underfrequency / Power Outage
Likely cause
The grid is not supplying power reliably.
What to do
Check if the AC cable is firmly in place.

Part of the Redback Technologies SI series

Compare every Redback Technologies SI variant side by side →

More Redback Operations Pty Ltd Inverters

RED-C1-T100AC (AS4777-2 2020)

100 kW · 3φ

RED-C1-T125AC (AS4777-2 2020)

125 kW · 3φ

RED-H3-S05HV (AS4777-2 2020)

4.999 kW · 1φ

RED-H3-S06HV (AS4777-2 2020)

6 kW · 1φ

RED-H3-S08HV (AS4777-2 2020)

8 kW · 1φ

RED-H3-S10HV (AS4777-2 2020)

9.999 kW · 1φ

View all Redback Operations Pty Ltd inverters